JR Kyushu reports possible leak of up to 1.3 million email addresses

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JR Kyushu said unauthorized access to IDC Frontier may have exposed up to 1.3 million email addresses and that its JR Kyushu e‑mail magazine service is currently unable to deliver emails.
The company indicated that some email log data containing users’ email addresses may have been viewed or obtained, but names, addresses, phone numbers, credit card numbers, subject lines and body text are not believed to have been leaked, and affected users will be notified individually by e‑mail once arrangements are made.